* {
	list-style: none;
}

.w {
	width: 900px;
	height: 3000px;
	margin: 0 auto 0 auto;
	background: bisque;
}

.bigbox1 {
	width: 870px;
	height: 50px;
	padding-left: 30px;
	background: rgb(37, 41, 46);
}

.logo {
	width: 100px;
	height: 50px;
	float: left;
	background: url(../img/sy-lc.png);
}

.box {
	width: 360px;
	height: 50px;
	float: left;
	margin-left: 400px;
}

.box .dlzc a {
	width: 50px;
	height: 50px;
	float: left;
	border: none;
	color: white;
	text-align: center;
	line-height: 50px;
	font-size: small;
}

.box ul li {
	width: 70px;
	height: 20px;
	float: left;
	text-align: center;
	line-height: 20px;
	border-left: 2px solid black;
	color: darkgray;
	font-size: small;
}

.bigbox2 {
	width: 900px;
	height: 50px;
	margin-top: -16px;
	background: url(../img/sy-pp.bmp);
}

.left ul li {
	width: 100px;
	height: 50px;
	float: left;
	text-align: center;
	line-height: 50px;
}

.right {
	width: 30px;
	height: 30px;
	float: right;
	margin: 10px 20px 10px 0;
	border-left: 1px solid black;
	background: url(../img/sy-search.png);
}

.bigbox3 {
	width: 840px;
	height: 315px;
	margin: 0 auto 0 auto;
	background: url(../img/sy-dt.png);
}

.bigbox4 {
	width: 840px;
	height: 235px;
	margin: 15px auto 0 auto;
	/*background: blue;*/
}

.box1 {
	width: 270px;
	height: 235px;
	float: left;
	/*background: green;*/
}

.box2 {
	width: 270px;
	height: 235px;
	float: left;
	margin-left: 15px;
	/*background: green;*/
	background: url(../img/sy-xt3.png);
}

.box3 {
	width: 270px;
	height: 235px;
	float: left;
	margin-left: 15px;
	/*background: green;*/
}

.small-box1 {
	width: 270px;
	height: 110px;
	background: gray;
	background: url(../img/sy-xt1.png);
}

.small-box2 {
	width: 270px;
	height: 110px;
	background: gray;
	margin-top: 15px;
	background: url(../img/sy-xt2.png);
}

.small-box3 {
	width: 270px;
	height: 110px;
	background: gray;
	background: url(../img/sy-xt4.png);
}

.small-box4 {
	width: 270px;
	height: 110px;
	margin-top: 15px;
	background: url(../img/sy-xt5.png);
}

.bigbox5 {
	width: 840px;
	height: 610px;
	margin: 0 auto 0 auto;
	background: blue;
	background: url(../img/sy-jt1.png);
}

.bigbox6 {
	width: 840px;
	height: 580px;
	margin: 0 auto 0 auto;
	background: green;
	background: url(../img/sy-jt2.png);
}

.bigbox7 {
	width: 840px;
	height: 590px;
	margin: 0 auto 0 auto;
	background: blue;
	background: url(../img/sy-jt3.png);
}
